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Finding the Fourth Proportional to 242,574.60, 334,749.30 and 140,613.96

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Solution

The fourth proportional to 242,574.60, 334,749.30 and 140,613.96 is: 194,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,574.60 : 334,749.30 = 140,613.96 : x
  2. Step 2: Convert to fraction form
    242,574.60/334,749.30 = 140,613.96/x
  3. Step 3: Cross multiply
    242,574.60x = 334,749.30 × 140,613.96
  4. Step 4: Simplify right side
    242,574.60x = 47,070,424,680.23
  5. Step 5: Solve for x
    x = 47,070,424,680.23/242,574.60
  6. Step 6: Final answer
    x = 194,045.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.